2008 GREAT WALL FLORID wheel

Downloaded from www.Manualslib.com manuals search engine GWFLORID Maintenance Manual168
Airbag & ABS

SRS indicator lamp
Engine ECU 72
Central control ECU #17
Airbag ECU housing hole location marks are signs showed on the housing
Airbag ECU (yellow) (Luxury, elite)
Airbag ECU (yellow) (Comfort) Airbag ECU housing hole location marks are signs showed on the housing
Theft deterrent controller A7
Diagnostic port
Front passenger seat
belt pretensioner
Driver seat belt
pretensioner
Left brake lamp
Right brake lamp
High mounted brake lamp
Driver side airbagFront passenger side airbagFront wheel
speed sensor LH
Front wheel
speed sensor LH
Rear wheel
speed sensor LH Front wheel speed
sensor RH
Rear wheel
speed sensor RH
Front wheel
speed sensor RH
Rear wheel speed
sensor RH
Connected brake
lamp switch
Connected high
mounted brake lamp
Main airbag
Connected front
passenger side airbag
Rear wheel
speed sensor LH
Airbag electric control module ABS electric control module
Brake lamp switchto engine ECU 51
to engine ECU 21
Driver seat belt
pretensioner
Front passenger seat
belt pretensionerClock spring

Downloaded from www.Manualslib.com manuals search engine 171Vehicle Body Electronic System
Electronic rearview mirror & CD system
Outer electric rearview mirror adjustment switch
Player CD integrated
Fold switch
Mirror adjustment switch
Foldable motor
Right mirror adjustment motor Steering wheel
switch Connected parking
lamp relay
Front medium woofer LH
Front medium woofer RH
Rear medium woofer RH
Rear medium woofer LH
Front tweeter LH Front tweeter LH
Front tweeter LH
Front medium
woofer LH Rear medium
woofer LH Rear medium
woofer RH Front medium
woofer RH Front tweeter RH
Linear control mode
Antenna
Antenna
amplifier
Left mirror adjustment motor
Connected rearview mirror adjustment switch (white) Right outer electric rearview mirror Left outer electric rearview mirror CD player
Shift switch
spiral coil
Location Reset
Upper
Left Left
Off Off
Right Right
Lower
Fold Pin position
Location
Location Pin position
Pin position

Downloaded from www.Manualslib.com manuals search engine 173Vehicle Body Electronic System
Engine
Connected generator
Canister control valve
Rear oxygen sensor
1st cylinder injection nozzle
Phase sensor Electronic throttle AC pressure switchConnected clutch switch
Air conditioner
temperature sensor
Connected accelerator pedal Front oxygen sensorRear oxygen sensorKnock sensorCondenser fan motor
Connected brake lamp switch
Engine ECU
2nd cylinder injection
nozzle 3rd cylinder injection
nozzle 4th cylinder injection
nozzle Connected oil
pressure switch Canister control
valve
Front oxygen sensor
Inlet pressure & tem. sensor
Coolant temperature sensor Accelerator pedal module Electronic throttle AC temperature
sensor Knock sensor
Engine speed sensor
Phase sensor
Fuel pump relay
Connected combination meter Connected speed sensor
Engine malfunction indicator lamp Engine service indicator lamp
Compressor relay
Compressor clutch
Central pressure switch Starter relay 86
Connected AC switch AC pressure switch
Connected brake lamp switch
Connected brake lamp switch Condenser fan
Rediator fan Fan relay lowScanner
Fan relay high
Connected airbag
Connected theft deterrent controller A8
Connected
combination meter
Ignition coil
Coolant temperature sensor
Rediator fan motor
Engine speed sensor Wheel speed sensor
Fuel pump, fuel sensor Inlet temperature
pressure sensor
Connected ABS
Spark plug
Fuel pump
Electric control module
Ignition coil
Main relay
Injection nozzle
IG1 relay

Downloaded from www.Manualslib.com manuals search engine 213Airbags
Airbags
Airbag Electronic Control Unit ..........................................214
Diagnostic Scanner ..........................................................215
Troubleshooting ................................................................216
Vehicle Collision Diagnostics ............................................226
Removal Method for Individual Components....................227
Driver Side Airbag Module (DAB), Front Passenger Side
Airbag Module (PAB), Clock Spring, and Steering Wheel ....228
Airbag Module Disposal....................................................230
Airbag’s Diagnostic Methods Without a
Diagnostic Scanner ..........................................................232

Downloaded from www.Manualslib.com manuals search engine GWFLORID Maintenance Manual226
Vehicle Collision Diagnostics
Whether the airbag is deployed or not, vehicle collision diagnostic and maintenance must be conducted
according to the following procedures.
1. Check the SRS-ECU diagnostic signal
(a) Connect the diagnostic connector (X-431 diagnostic scanner).
(b) Read the diagnostic result with the X-431 diagnostic.
Caution: Due to impact, and when the battery's power supply is insufficient, the scanner will be unable
to communicate with the SRS-ECU. At this time, use an external power supply, or make sure to
perform inspection and maintenance on the dashboard's wire harness.
2. Maintenance sequence
When the airbag is deployed, the following components should be replaced\
.
(a) Driver side airbag module.
(b) Front passenger side airbag module.
(c) SRS-ECU.
(d) Driver side and front passenger side preload seat belts.
Inspect the following components, if anything is abnormal, replace with \
a new one.
(a) Clock spring.
(b) Steering wheel, steering column, and steering lower shaft components.
Installation status of the driver side airbag module regarding the steer\
ing wheel.
(a) Inspect whether the steering wheel's noise is abnormal, for improper movement, or abnormal cleara\
nce.
(b) Inspect whether the wire harness connectors are broken and whether the terminals are deformed.
3. SRS-ECU
(a) Inspect whether the SRS-ECU housing and bracket are
sunken or depressed, cracked, deformed, etc.
(b) Inspect for broken connectors as well as deformed
terminals.
(c) Inspect the SRS-ECU bracket's installation status.
• Inspect whether the cover is sunken or depressed,
cracked, deformed, etc.
• Inspect for broken connectors as well as deformed
terminals and biting wire harnesses.
• Check whether the gas generator's housing is sunken or
depressed, cracked, deformed, etc.
• Inspect whether the arrow's direction is pointed towards
the front of the vehicle.
(d) Inspect the airbag module's installation status.
4. Inspect the driver side airbag module
5. Clock spring
(a) Inspect for broken connectors and protective tube and deformed terminals.
(b) Inspect for deformed housing.
6. Steering wheel, steering column, and lower shaft components
(a) Inspect the driver side airbag module's installation status.
(b) Inspect the steering wheel for abnormal noise, and whether the clearance is normal.
7. Inspect the wire harness connectors (dashboard wire harness).
8. Inspect whether the wire harnesses are firm. Check for damaged connectors, and deformed terminals.
Warning label
The driver side, clock spring, SRS-ECU, and front passenger side airbag, all have warning labels, with the
caution areas shown by an image. While maintenaning and using the SRS airbag, please work in accordance
with the label.Furthermore, when a label becomes damaged or dirty, please replace it with a new one.

Downloaded from www.Manualslib.com manuals search engine GWFLORID Maintenance Manual228
Driver Side Airbag Module (DAB), Front Passenger Side Air-
bag Module (PAB), Clock Spring, and Steering Wheel
Areas of Importance
1. Take off the battery's negative (-) terminal, and wait for 60 s before operating. Wrap the removed
negative (-) terminal in tape to insulate it.
2. The airbag module and clock spring must not be dismantled or repaired. If there is any malfunction,
replace the part.
3. Pay attention to the usage of the airbag module and clock spring. Do not drop it or immerge it in water
or oil. Furthermore, if there is any sinking or depression, cracking, deformity, etc., please replace it
with a new part.
4. Make sure the extended surface is faced upwards when the airbag module is to be deployed. Put it on
a flat surface and do not place anything on top of it.
5. Do not put the airbag module in a place where the temperature is over 93\
oC.
6. After the airbag module is deployed, replace it with a new one. At the same time, inspect the clock
spring (contact resistance between corresponding terminals should not be more than 0.8 Ω). If there
is anything abnormal, replace it with a new one.
7. Use gloves and protective glasses while operating on a deployed airbag.
8. While scraping an undeployed airbag, make sure to discard it after it ha\
s been deployed first.
9. During removal, to avoid experiencing static electricity interference leading to faulty execution, make
sure to remove the other wire harness connectors after the DAB and PAB module wire harness
connectors have been removed. Installation is done in reverse order.
Driver side front airbag, steering wheel, and clock spring removal
1. Operation before removal
(a) When the steering wheel and front tires are pointing straight ahead, take out the ignition swit\
ch.
(b) Disconnect the battery's negative (-) terminal.
2. Driver side airbag module removal sequence
(a) Loosen the screws on both sides.
(b) Lightly pick up the airbag module.
(c) Disconnect the wire harness plug-in which is plugged into the airbag module.
(d) Remove the driver side airbag module.
(e) Remove steering wheel mounting bolt on the steering column.
(f) Remove the steering wheel.
3. Clock spring removal sequence (after steering wheel removal is complete\
d)
(a) Lightly remove the steering wheel (please refer to the areas of importance).
(b) Open the combination switch's upper and lower protective cover, find and disconnect the wire harness connector
at lower end.
(c) Remove the clock spring.
Driver side front airbag, steering wheel, and clock spring installation
1. Clock spring installation sequence
(a) Inspection before installation.
This operation requires the inspection of the front tires to make sure they are first pointed straight ahead. If they
are not, be sure to place them in the right position first.
• Install the clock spring onto the steering column.
• Firmly wedge the clock spring to the steering column.
• Install the dashboard wire harness under the clock spring.
• Install the combination switch hood.
(b) Inspection after installation.
2. Steering wheel installation sequence (after clock spring installation i\
s completed)
(a) Pull out the clock spring's position pin.
(b) Install the steering wheel, making sure to insert the wire above the clock spring through the hole on the
steering wheel body.
(c) Tighten the steering wheel mounting nuts.

Downloaded from www.Manualslib.com manuals search engine 229Airbags
3. Driver side airbag module installation sequence (after steering wheel i\
nstallation is completed)
(a) Install the horn's wire harness.
(b) Install the airbag module executing equipment's (gas generator) wire harness.
(c) Place the airbag module onto the steering wheel's proper installation position (avoid heavy knocking while
placing).
(d) Tighten the airbag module mounting bolt.
(e) Connect the battery's negative (-) terminal.
(f) Inspection after installation.
Auxiliary airbag removal and installation
1. Auxiliary airbag removal
(a) Remove the glove box.
(b) Pull out the dashboard wire harness and the auxiliary airbag wire harness connectors.
(c) Remove the airbag mounting bolt.
(d) Remove the upper dashboard.
(e) Remove the auxiliary airbag's two mounting nuts.
(f) Press the buckle and remove the auxiliary airbag.
2. Installation sequence for the auxiliary airbag is reverse to the removal\
sequence.
Caution: Please do not place anything on the auxiliary airbag, as to avoid accidents while deploying
the airbag.
Operation essentials
1. Driver side airbag and steering wheel removal
Caution: The following operations should only be performed after the battery's negative (-) terminal
has been disconnected, and after the ignition switch key has been pulled\
out for 60 s.
(a) Remove the mounting screws from the two holes under the steering wheel bottom cap, and lightly pick up
the driver side airbag module.
(b) Pull out the deployed airbag module's wire harness and the horn line, and remove the airbag module\
.
Attention: Diagnose the airbag module's circuit with an electrical measuring instruments but do not
dismantle it. Face the bottom of the removed passenger side airbag upwards and store it in a clean
and dry place.
(c) Remove the steering wheel mounting bolt on the steering column.
Caution: Due to the over-tight occlusion of the spline and column, the steering wheel and steering
column may be hard to separate, in which case make sure not to use force to remove the steering
wheel. The correct method is to tighten the screw into the column just a bit, and then pull up the
steering wheel (because the steering wheel bottom is connected to the clock spring, if force is used to
remove it, it may damage it).
2. Clock spring removal
(a) After steering wheel removal is completed, remove the combination switch hood.
(b) Pull out the dashboard wire harness connectors under the clock spring.
(c) Take off the clock spring.
Caution: Store the removed clock spring in a clean and dry place.
3. Installation notes
(a) Inspection before installation, inspection of driver side airbag module.
(b) Inspect the new airbag or clock spring before installing them.
4. Driver side airbag module inspection
Inspect each of the following items. If any faults are found, replace with a new corresponding airbag module
part. Discard the old components after they have been deployed in the pr\
oper order.
(a) Whether the cover sunken or depressed, cracked, or deformed.
(b) Whether the wire harness has broken connectors and deformed terminals.
(c) Whether the gas generator's housing is sunken or depressed, cracked, or deformed.
(d) Airbag module installation status.
Caution: The specified measuring instrument cannot measure the airbag module (tube rupture) circuit
resistance. Test the resistance with a testing instrument. There is an electric current in the tube rup-
ture which may lead to accidental deployment due to static electricity a\
nd cause serious accidents.
5. Clock spring inspection
Inspect each of the following items. If any fault is found, replace with\
a new clock spring.

Downloaded from www.Manualslib.com manuals search engine GWFLORID Maintenance Manual230
Alignment area
(a) Whether there are broken connectors or protective
pipes and deformed terminals.
(b) Whether the housing is damaged.
(c) Inspect whether the clock spring's upper connector
terminal and lower corresponding connector terminal is
conducting.
Clock spring central involution
Screw in the clock spring clockwise all the way, and then
turn it 3.5 circles in the reverse direction, until the position
pin's block boss matches the block hole (as shown on the
left).
Caution: If the clock spring is not in the involution
central, the steering wheel will be unable to rotate
midway or cause clock spring circuit failure, which will
obstruct the normal operation of the SRS airbag.
6. Steering wheel and airbag module subassembly installation
(a) After pulling out the clock spring's position pin, install the steering wheel and airbag module su\
bassembly.
Caution: While installing the steering wheel and airbag module subassembly, please do not block the
clock spring wire harness.
(b) After installation, try to turn the steering wheel left and right to its proper position, and check for anything
abnormal.
7. Inspection after installation
(a) Lightly turn the steering wheel left and right to check whether there is anything abnormal or for any
strange noise. (Driver side airbag module, clock spring).
(b) Set the ignition switch to the ON position.
(c) The SRS warning lamp will remain on for 6-7 s and will then die out.
(d) If the warning lamp is always on or shows other symptoms after 6-7 s, troubleshooting must be perf\
ormed.
(e) Inspect whether the clock spring circuit is open circuited. If yes, please replace it with a new \
one.
(f) If no, check the other circuits.
Airbag Module Disposal
While discarding the airbag module or a vehicle carrying a SRS airbag, please discard according to the following
steps.
Discarding essentials of the airbag module before deployment
1. Deploy the airbag before discarding SRS airbag.
2. Deploy the airbag outside the vehicle when replacing the airbag module.
3. There may be some smoke when deploying the airbag, so make sure to operate near a smoke
detector.
4. When deploying the airbag, the sound will be very loud. Please ask nearby people to plug their ears,
and try not to operate near residential areas.
Airbag deployment
Wa r n i n g : T h e f o l l o w i n g s t e p s c a n p r e v e n t s t a t i c
electricity trigged accidental deployment, so please
carefully follow them.
1. Park the vehicle on a flat surface.
2. D i s c o n n e c t t h e b a t t e r y ' s n e g a t i v e a n d p o s i t i v e
terminals, and remove the battery from the car.
Caution: Avoid wearing apparel which may generate
friction due to electricity. Disconnect the battery's
p o s i t i v e a n d n e g a t i v e t e r m i n a l s , a n d c o m m e n c e
operation after waiting 60 s.
3. Remove the airbag module according to the driver side
airbag's normal removal procedures.
1
2
3